Part 1. Definition
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
Part 2. Example
[header] How to create a christmas tree forest [title] Consider the type of tree you want to plant. [step] There are a wide variety of christmas trees and include fir, pine, spruce, cypress, and cedar. These trees thrive in different climates and look different from one another. <sep> (A) It is important to research the tree before setting up your tree to try it out to make sure you can write the tree's growing season so that you can get the most supplies you need. If you're just interested in having a tree stand out, then make sure to check for the following : [substeps] Spruce trees. (B) [substeps] Trees green may be used in a mix of green and evergreen. Greens, such as pintos and olive oil, may be more delicate than these. (C) Where the trees grow together is up to you. [substeps] Spruce trees light up the night for hours in the morning and drown out the morning sunrise between afternoons. (D) Think about where your tree forest will be located and choose a tree that can thrive in that climate. [substeps] Balsam firs are a popular christmas tree species that grow in the northern united states and canada, in hardiness zones 3-5 or states like minnesota, north dakota, and montana.
Answer: D
Explanation: This is a good example. Only option D is about Christmas trees. So, it's the correct option.
Part 3. Exercise
[header] How to stand up for yourself without hurting someone's feelings [title] Recognize the difference between assertive and aggressive responses. [step] Being assertive means you stand up for yourself and share your thoughts and feelings with others. You do not want to hurt others with your words. <sep> (A) Assertive does not mean you are asserting dominance. Rather, it means you are assercing assertiveness through your words and actions. (B) You only want to help others and feel valued by them. [substeps] Self-control the action before you speak. (C) Instead, you want to make your point known. Aggressive language occurs when you belittle others. (D) [substeps] Assertive communication is one of the best tools for a successful or successful life. If you give the other person a power, they can power back.
Answer:
C